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Improve Connection::extension_init2

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This commit is contained in:
gwenn
2024-04-12 20:50:34 +02:00
parent 79fae3d93c
commit 718599d5f7
2 changed files with 24 additions and 14 deletions
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14
examples/loadable_extension.rs
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@@ -20,21 +20,15 @@ use rusqlite::{to_sqlite_error, Connection, Result};
/// ```
#[allow(clippy::not_unsafe_ptr_arg_deref)]
#[no_mangle]
pub extern "C" fn sqlite3_extension_init(
pub unsafe extern "C" fn sqlite3_extension_init(
db: *mut ffi::sqlite3,
pz_err_msg: *mut *mut c_char,
p_api: *mut ffi::sqlite3_api_routines,
) -> c_int {
if p_api.is_null() {
return ffi::SQLITE_ERROR;
} else if let Err(err) = extension_init(db, p_api) {
return unsafe { to_sqlite_error(&err, pz_err_msg) };
}
ffi::SQLITE_OK
Connection::extension_init2(db, pz_err_msg, p_api, extension_init)
}
fn extension_init(db: *mut ffi::sqlite3, p_api: *mut ffi::sqlite3_api_routines) -> Result<()> {
let db = unsafe { Connection::extension_init2(db, p_api)? };
fn extension_init(db: Connection) -> Result<bool> {
db.create_scalar_function(
"rusqlite_test_function",
0,
@@ -46,5 +40,5 @@ fn extension_init(db: *mut ffi::sqlite3, p_api: *mut ffi::sqlite3_api_routines)
},
)?;
rusqlite::trace::log(ffi::SQLITE_WARNING, "Rusqlite extension initialized");
Ok(())
Ok(false)
}